body {
  margin: 0;
  padding: 0;
  overflow: hidden;
}

#background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

#background-video,
#background-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  #background-video,
  #background-image {
    object-fit: contain;
  }
}

#refresh-button {
  position: fixed;
  top: 0;
  right: 0;
  padding: 10px;
}